Hettangian

(redirected from Hettangian Stage)

Hettangian

[he′tan·jē·ən]
(geology)
A stage of Lower Jurassic geologic time.
References in periodicals archive ?
This is consistent with the projected correlation of the GSSP of the base of Hettangian stage to a level above the North Mountain Basalt (Whiteside et al.
A proposal for the base Hettangian Stage (= base Jurassic System) GSSP at New York Canyon (Nevada, USA) using carbon isotopes.